* Author: FOSSEE
* Date:

.model 1n4148 D(is=2.495E-09 rs=4.755E-01 n=1.679E+00 tt=3.030E-09 cjo=1.700E-12 vj=1 m=1.959E-01 bv=1.000E+02 ibv=1.000E-04)
v1 in gnd  dc 1
d1 in out 1N4148
r1  net-_r1-pad1_ gnd 1k
* u1  out net-_r1-pad1_ plot_i2
v_u1 out net-_r1-pad1_ 0
* Schematic Name: zener, NgSpice Name: zener
.model u1 zener(n_forward=1.0 v_breakdown=5.6 i_sat=1.0e-12 limit_switch=FALSE i_breakdown=2.0e-2 ) 
.dc v1 0e-00 1e-00 0.01e-00

* Control Statements 
.control
run
print allv > plot_data_v.txt
print alli > plot_data_i.txt
plot i(v_u1)
.endc
.end